TSTP Solution File: LCL202-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL202-3 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n019.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sun Jul 17 14:35:23 EDT 2022

% Result   : Unsatisfiable 2.28s 2.50s
% Output   : Refutation 2.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   53 (  35 unt;   0 nHn;  53 RR)
%            Number of literals    :   74 (   0 equ;  22 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ theorem(implies__dfg(not__dfg(or__dfg(p,q)),or__dfg(p,not__dfg(q)))),
    file('LCL202-3.p',unknown),
    [] ).

cnf(2,axiom,
    axiom(implies__dfg(or__dfg(u,u),u)),
    file('LCL202-3.p',unknown),
    [] ).

cnf(3,axiom,
    axiom(implies__dfg(u,or__dfg(v,u))),
    file('LCL202-3.p',unknown),
    [] ).

cnf(4,axiom,
    axiom(implies__dfg(or__dfg(u,v),or__dfg(v,u))),
    file('LCL202-3.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(implies__dfg(or__dfg(u,or__dfg(v,w)),or__dfg(v,or__dfg(u,w)))),
    file('LCL202-3.p',unknown),
    [] ).

cnf(6,axiom,
    axiom(implies__dfg(implies__dfg(u,v),implies__dfg(or__dfg(w,u),or__dfg(w,v)))),
    file('LCL202-3.p',unknown),
    [] ).

cnf(7,axiom,
    equal(or__dfg(not__dfg(u),v),implies__dfg(u,v)),
    file('LCL202-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ axiom(u)
    | theorem(u) ),
    file('LCL202-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ theorem(u)
    | ~ theorem(implies__dfg(u,v))
    | theorem(v) ),
    file('LCL202-3.p',unknown),
    [] ).

cnf(15,plain,
    axiom(implies__dfg(or__dfg(u,not__dfg(v)),implies__dfg(v,u))),
    inference(spr,[status(thm),theory(equality)],[7,4]),
    [iquote('0:SpR:7.0,4.0')] ).

cnf(16,plain,
    axiom(implies__dfg(implies__dfg(u,v),or__dfg(v,not__dfg(u)))),
    inference(spr,[status(thm),theory(equality)],[7,4]),
    [iquote('0:SpR:7.0,4.0')] ).

cnf(19,plain,
    ( ~ axiom(implies__dfg(u,v))
    | ~ theorem(u)
    | theorem(v) ),
    inference(res,[status(thm),theory(equality)],[8,9]),
    [iquote('0:Res:8.1,9.1')] ).

cnf(20,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[19,16]),
    [iquote('0:SoR:19.0,16.0')] ).

cnf(23,plain,
    ( ~ theorem(or__dfg(u,not__dfg(v)))
    | theorem(implies__dfg(v,u)) ),
    inference(sor,[status(thm)],[19,15]),
    [iquote('0:SoR:19.0,15.0')] ).

cnf(25,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[19,4]),
    [iquote('0:SoR:19.0,4.0')] ).

cnf(26,plain,
    ( ~ theorem(u)
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[19,3]),
    [iquote('0:SoR:19.0,3.0')] ).

cnf(27,plain,
    ( ~ theorem(or__dfg(u,u))
    | theorem(u) ),
    inference(sor,[status(thm)],[19,2]),
    [iquote('0:SoR:19.0,2.0')] ).

cnf(35,plain,
    ( ~ theorem(or__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,or__dfg(u,w))) ),
    inference(sor,[status(thm)],[19,5]),
    [iquote('0:SoR:19.0,5.0')] ).

cnf(36,plain,
    axiom(implies__dfg(or__dfg(not__dfg(u),or__dfg(v,w)),or__dfg(v,implies__dfg(u,w)))),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(40,plain,
    axiom(implies__dfg(implies__dfg(u,or__dfg(v,w)),or__dfg(v,implies__dfg(u,w)))),
    inference(rew,[status(thm),theory(equality)],[7,36]),
    [iquote('0:Rew:7.0,36.0')] ).

cnf(48,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(implies__dfg(or__dfg(w,u),or__dfg(w,v))) ),
    inference(sor,[status(thm)],[19,6]),
    [iquote('0:SoR:19.0,6.0')] ).

cnf(62,plain,
    ( ~ axiom(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[20,8]),
    [iquote('0:SoR:20.0,8.1')] ).

cnf(63,plain,
    ( ~ theorem(implies__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[19,40]),
    [iquote('0:SoR:19.0,40.0')] ).

cnf(64,plain,
    axiom(implies__dfg(implies__dfg(u,or__dfg(not__dfg(v),w)),implies__dfg(v,implies__dfg(u,w)))),
    inference(spr,[status(thm),theory(equality)],[7,40]),
    [iquote('0:SpR:7.0,40.0')] ).

cnf(66,plain,
    axiom(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(v,implies__dfg(u,w)))),
    inference(rew,[status(thm),theory(equality)],[7,64]),
    [iquote('0:Rew:7.0,64.0')] ).

cnf(79,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(or__dfg(v,u)))),
    inference(sor,[status(thm)],[62,4]),
    [iquote('0:SoR:62.0,4.0')] ).

cnf(80,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(v))),
    inference(sor,[status(thm)],[62,3]),
    [iquote('0:SoR:62.0,3.0')] ).

cnf(94,plain,
    theorem(implies__dfg(u,or__dfg(v,u))),
    inference(sor,[status(thm)],[23,80]),
    [iquote('0:SoR:23.0,80.0')] ).

cnf(120,plain,
    theorem(implies__dfg(or__dfg(u,v),or__dfg(v,u))),
    inference(sor,[status(thm)],[23,79]),
    [iquote('0:SoR:23.0,79.0')] ).

cnf(126,plain,
    ( ~ theorem(implies__dfg(u,implies__dfg(v,w)))
    | theorem(implies__dfg(v,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[19,66]),
    [iquote('0:SoR:19.0,66.0')] ).

cnf(138,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(u,or__dfg(w,v))) ),
    inference(sor,[status(thm)],[35,26]),
    [iquote('0:SoR:35.0,26.1')] ).

cnf(186,plain,
    theorem(or__dfg(u,implies__dfg(or__dfg(v,u),v))),
    inference(sor,[status(thm)],[63,120]),
    [iquote('0:SoR:63.0,120.0')] ).

cnf(189,plain,
    theorem(or__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[63,94]),
    [iquote('0:SoR:63.0,94.0')] ).

cnf(191,plain,
    theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[27,189]),
    [iquote('0:SoR:27.0,189.0')] ).

cnf(195,plain,
    theorem(or__dfg(u,not__dfg(u))),
    inference(sor,[status(thm)],[20,191]),
    [iquote('0:SoR:20.0,191.0')] ).

cnf(196,plain,
    theorem(or__dfg(u,implies__dfg(or__dfg(u,v),v))),
    inference(sor,[status(thm)],[63,191]),
    [iquote('0:SoR:63.0,191.0')] ).

cnf(200,plain,
    theorem(implies__dfg(u,not__dfg(not__dfg(u)))),
    inference(spr,[status(thm),theory(equality)],[7,195]),
    [iquote('0:SpR:7.0,195.0')] ).

cnf(202,plain,
    theorem(implies__dfg(or__dfg(u,v),or__dfg(u,not__dfg(not__dfg(v))))),
    inference(sor,[status(thm)],[48,200]),
    [iquote('0:SoR:48.0,200.0')] ).

cnf(258,plain,
    theorem(or__dfg(implies__dfg(or__dfg(u,v),u),v)),
    inference(sor,[status(thm)],[25,186]),
    [iquote('0:SoR:25.0,186.0')] ).

cnf(264,plain,
    theorem(or__dfg(not__dfg(u),implies__dfg(implies__dfg(u,v),v))),
    inference(spr,[status(thm),theory(equality)],[7,196]),
    [iquote('0:SpR:7.0,196.0')] ).

cnf(266,plain,
    theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),v))),
    inference(rew,[status(thm),theory(equality)],[7,264]),
    [iquote('0:Rew:7.0,264.0')] ).

cnf(280,plain,
    theorem(or__dfg(u,or__dfg(v,not__dfg(u)))),
    inference(sor,[status(thm)],[138,195]),
    [iquote('0:SoR:138.0,195.0')] ).

cnf(295,plain,
    theorem(or__dfg(or__dfg(u,not__dfg(v)),v)),
    inference(sor,[status(thm)],[25,280]),
    [iquote('0:SoR:25.0,280.0')] ).

cnf(300,plain,
    theorem(or__dfg(or__dfg(u,not__dfg(v)),or__dfg(w,v))),
    inference(sor,[status(thm)],[138,295]),
    [iquote('0:SoR:138.0,295.0')] ).

cnf(434,plain,
    ( ~ theorem(u)
    | theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(res,[status(thm),theory(equality)],[266,9]),
    [iquote('0:Res:266.0,9.1')] ).

cnf(839,plain,
    ( ~ theorem(u)
    | ~ theorem(implies__dfg(u,v))
    | theorem(v) ),
    inference(res,[status(thm),theory(equality)],[434,9]),
    [iquote('0:Res:434.1,9.1')] ).

cnf(1387,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(u,not__dfg(not__dfg(v)))) ),
    inference(res,[status(thm),theory(equality)],[202,9]),
    [iquote('0:Res:202.0,9.1')] ).

cnf(3769,plain,
    theorem(or__dfg(implies__dfg(or__dfg(u,v),u),not__dfg(not__dfg(v)))),
    inference(sor,[status(thm)],[1387,258]),
    [iquote('0:SoR:1387.0,258.0')] ).

cnf(4780,plain,
    theorem(implies__dfg(not__dfg(u),implies__dfg(or__dfg(v,u),v))),
    inference(sor,[status(thm)],[23,3769]),
    [iquote('0:SoR:23.0,3769.0')] ).

cnf(4801,plain,
    theorem(implies__dfg(or__dfg(u,v),implies__dfg(not__dfg(v),u))),
    inference(sor,[status(thm)],[126,4780]),
    [iquote('0:SoR:126.0,4780.0')] ).

cnf(4804,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(implies__dfg(not__dfg(v),u)) ),
    inference(sor,[status(thm)],[839,4801]),
    [iquote('0:SoR:839.1,4801.0')] ).

cnf(6185,plain,
    theorem(implies__dfg(not__dfg(or__dfg(u,v)),or__dfg(w,not__dfg(v)))),
    inference(sor,[status(thm)],[4804,300]),
    [iquote('0:SoR:4804.0,300.0')] ).

cnf(6397,plain,
    $false,
    inference(unc,[status(thm)],[6185,1]),
    [iquote('0:UnC:6185.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL202-3 : TPTP v8.1.0. Released v2.3.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n019.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul  4 02:13:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 2.28/2.50  
% 2.28/2.50  SPASS V 3.9 
% 2.28/2.50  SPASS beiseite: Proof found.
% 2.28/2.50  % SZS status Theorem
% 2.28/2.50  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 2.28/2.50  SPASS derived 6057 clauses, backtracked 0 clauses, performed 0 splits and kept 2814 clauses.
% 2.28/2.50  SPASS allocated 83839 KBytes.
% 2.28/2.50  SPASS spent	0:00:02.12 on the problem.
% 2.28/2.50  		0:00:00.04 for the input.
% 2.28/2.50  		0:00:00.00 for the FLOTTER CNF translation.
% 2.28/2.50  		0:00:00.24 for inferences.
% 2.28/2.50  		0:00:00.00 for the backtracking.
% 2.28/2.50  		0:00:01.77 for the reduction.
% 2.28/2.50  
% 2.28/2.50  
% 2.28/2.50  Here is a proof with depth 16, length 53 :
% 2.28/2.50  % SZS output start Refutation
% See solution above
% 2.28/2.50  Formulae used in the proof : prove_this axiom_1_2 axiom_1_3 axiom_1_4 axiom_1_5 axiom_1_6 implies_definition rule_1 rule_2
% 2.28/2.50  
%------------------------------------------------------------------------------